A unique way to experience photos, lithophanes offer a cool gift or an exciting trinket. Hold it up to the light and a grayscale image will appear. The lithophane comes in 3 sizes: Small - 2.7 x 3.6 in Medium - 3.0 x 4.0 in Large - 3.6 x 4.8 in Please note that these dimensions will change based on aspect ratio.